Finding the Fourth Proportional to 1,079,294.08, 1,619,019.44 and 414,446.08
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Solution
The fourth proportional to 1,079,294.08, 1,619,019.44 and 414,446.08 is: 621,699.19
Step by Step Solution
- Step 1: Write the proportion equation
1,079,294.08 : 1,619,019.44 = 414,446.08 : x - Step 2: Convert to fraction form
1,079,294.08/1,619,019.44 = 414,446.08/x - Step 3: Cross multiply
1,079,294.08x = 1,619,019.44 × 414,446.08 - Step 4: Simplify right side
1,079,294.08x = 670,996,260,351.80 - Step 5: Solve for x
x = 670,996,260,351.80/1,079,294.08 - Step 6: Final answer
x = 621,699.19
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.